#pragma once
#include "ui_drawing.h"
#include <QMainWindow>
#include <QPainter>
#include <QPaintEvent>
#include <QPen>
#include <QBitmap>
#include <QPixmap>
#include <QDir>
#include <QDebug>
#include <QPicture>
class drawing : public QMainWindow {
    Q_OBJECT
    
public:
    drawing(QWidget* parent = nullptr);
    ~drawing();

    void paintEvent(QPaintEvent* event);

private:
    Ui_drawing* ui;
    QPixmap bit_map;
};